If he is a metaphor for Satan (in Job 41) why is this metaphor used in the context of real creatures that really existed as the hawk, horse, and dinosaur before it, in their natural habitats and describing their biological traits?

And why is sorrow turned into joy before him, as it says:
In his neck remaineth strength, and sorrow is turned into joy before him. (Job 41:22)?_________________-blessed are the pure in heart, for they shall see God.